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Schematic and Routing Diagrams > < C-005 Coolant Circulation

Astra H

C-006 - Fan Relay (Stage 3) Circuit

Test

Work Order Description

Nominal Value
T001

Check: Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Remove electrical component from socket:
    K11_X125 Relay - Radiator Fan
  • Measure voltage between the following terminals:
    K11_X125 Relay - Radiator Fan
    Socket Terminal 86
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T002

Check: Short to Ground of Signal Circuit
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
  • Measure resistance between the following terminals:
    K11_X125 Relay - Radiator Fan
    Socket Terminal 85
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T003

Check: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    K11_X125 Relay - Radiator Fan
    Socket Terminal 85
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 46 (XC4)

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:


Result

Cause Of Fault
E001 Result: Defective Component
  • Defective component:
    K11_X125 Relay - Radiator Fan
    or
    A84 Control Unit - Engine

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.
E002 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 46 (XC4)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 2 (XE3)

or

  • Defective component:
    X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.
E003 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 46 (XC4)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 2 (XE3)

or

  • Defective component:
    X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.
E004 Result: Defective Component
  • Defective component:
    X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.





Schematic and Routing Diagrams > < C-005 Coolant Circulation